Home / 12,481,903.70-18,694,861.95-10,242,415.70

Finding the Fourth Proportional to 12,481,903.70, 18,694,861.95 and 10,242,415.70

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Solution

The fourth proportional to 12,481,903.70, 18,694,861.95 and 10,242,415.70 is: 15,340,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,903.70 : 18,694,861.95 = 10,242,415.70 : x
  2. Step 2: Convert to fraction form
    12,481,903.70/18,694,861.95 = 10,242,415.70/x
  3. Step 3: Cross multiply
    12,481,903.70x = 18,694,861.95 × 10,242,415.70
  4. Step 4: Simplify right side
    12,481,903.70x = 191,480,547,546,012.59
  5. Step 5: Solve for x
    x = 191,480,547,546,012.59/12,481,903.70
  6. Step 6: Final answer
    x = 15,340,652.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.